Main
Giovanni Colitti
Education
National Taiwan University
M.S. in Agricultural Economics (4.0 GPA)
Taipei, Taiwan
2018
California State University, Channel Islands
B.A. in Economics (3.8 GPA)
Camarillo, CA
2016
Experience
Data Scientist
Grimmway Enterprises
Bakersfield, CA
2018 - Current
- Trained machine learning models in R that improved predictive accuracy over previous methods by 40-50%.
- Used linear/mixed integer programming to optimize business operations.
- Performed complex data cleaning and exploration on large datasets.
- Wrote statistical analysis reports to determine causal relationships.
- Developed custom functions in R for cross-validation of time-series data with irregular time slices.
- Created Shiny apps and dashboards to visualize projections, implement dynamic optimization problems, and generate automated reports.
- Managed database tables using R and SQL.
- Scraped open source data online.
- Set up API connections and created API wrapper R packages.
- Created grimmay R package used internally to facilitate common programming tasks.
- Used Docker/DockerHub and ShinyProxy to publish applications and reports online.
- Communicated analytical methods and results to the entire executive team.
Data Analyst Intern
Small Business Development Center
Camarillo, CA
2015 - 2016
- Analyzed small business metrics, such as revenue per employee, to predict which clients have the highest risk of bankruptcy.
- Used model predictions to efficiently allocate limited consulting resources to assist at-risk businesses.
- Trained executive team in statistical methods.
Research Assistant
California State Univeristy, Channel Islands
Camarillo, CA
2014
- Collected and cleaned data from various online sources using Stata programming.
- Created visualizations in Stata and wrote literature reviews of scientific articles related to Chinese & Indian stock, currency, and debt markets.
Selected Research
Do Concealed Firearms Decrease Crime?
Used a unique dataset on county-level concealed firearms permits and applied two-stage least squares estimation & censored regression models to show that concealed firearms do not decrease crime.
N/A
2018
Do HEVs Cause More Cyclist & Pedestrian Injuries?
Used logit model & large UK accident-level dataset to show that quieter electric vehicles significantly increase pedestrian accidents net of other covariates including speed limit and urbanization. Also used Bayesian methods (MCMC) to estimate the posterior distribution and check for non-normality in estimates.
N/A
2018
Effect of Hurricane Morakot on Agricultural Prices in Taiwan
Used a difference-in-differences (DiD) event study model and a large transaction-level dataset to quantify the casual effect of Hurricane Morakot on vegetable prices in Taiwan, adding weight to the literature that claims weather is oftentimes the most important driver of local agricultural prices.
N/A
Academic Honors and Awards
Thesis Competition First Place Prize
Master’s thesis presentation competition first place winner.
N/A
2018
Taiwan Ministry of Education Scholarship
Merit scholarship for post-graduate studies in Taiwan.
N/A
2016
Program Honors in Ecnomomics
Selected by CSUCI Economics Department faculty for outstanding achievement.
N/A
2016
Wang Family Scholarship
Merit scholarship for international study in Taiwan & Mainland China.
N/A
2014
President’s Scholarship
Highest scholastic achievement award in CSU system; only handful awarded annually.
N/A
2012
Disclaimer
Last updated on 2020-01-15.